CN213668719U

CN213668719U - Reverse osmosis membrane shell

Info

Publication number: CN213668719U
Application number: CN202022148185.4U
Authority: CN
Inventors: 查劲松; 王先春
Original assignee: Shanghai Chenju Electromechanical Technology Co ltd
Current assignee: Shanghai Chenju Electromechanical Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-07-13
Anticipated expiration: 2030-09-27

Abstract

The application relates to a reverse osmosis membrane shell, including the casing, install the reverse osmosis pipe in the casing, fix first fluid-discharge tube and second fluid-discharge tube on the outer wall of the housing, install the end cover on the casing both ends, first fluid-discharge tube and reverse osmosis pipe intercommunication, the inner chamber intercommunication of second fluid-discharge tube and casing, one of them the axial runs through and installs the feed liquor pipe on the end cover, reverse osmosis pipe and feed liquor pipe intercommunication, its characterized in that: be provided with on the end cover and be used for the retaining member with the end cover joint on the casing, the retaining member is used for driving a plurality of ball to support the driving piece of tightly on the end cover outer wall including setting up a plurality of ball on the casing outer wall, setting on the casing, a plurality of recess has all been seted up on the both ends outer wall of casing, the inner wall of recess intercommunication casing, the ball slides to inlay and establishes the inner chamber at the recess. This application has end cover and casing installation convenient and fast's effect more.

Description

Reverse osmosis membrane shell

Technical Field

The application relates to the technical field of reverse osmosis membrane shells, in particular to a reverse osmosis membrane shell.

Background

The reverse osmosis membrane shell is divided into a stainless steel reverse osmosis membrane shell and a glass fiber reinforced plastic reverse osmosis membrane shell according to the material: the application is divided into two types of household reverse osmosis membrane shells and commercial reverse osmosis membrane shells; the function of the membrane is divided into an ultra-low pressure membrane shell, a low pressure membrane shell and a seawater desalination membrane shell.

To the correlation technique among the above-mentioned, the inventor thinks at present at the installation of reverse osmosis membrane shell at the membrane shell lid convenient not enough, often through the screw thread installation, this kind of mounting means dismantles convenient not enough to lead to the low problem of efficiency.

SUMMERY OF THE UTILITY MODEL

In order to dismantle the convenience, improve the installation effectiveness, the application provides a reverse osmosis membrane shell.

The application provides a reverse osmosis membrane shell adopts following technical scheme:

the utility model provides a reverse osmosis membrane shell, includes the casing, installs the reverse osmosis tube in the casing, fixes first fluid-discharge tube and second fluid-discharge tube on the casing outer wall, installs the end cover on the casing both ends, first fluid-discharge tube and reverse osmosis tube intercommunication, the inner chamber intercommunication of second fluid-discharge tube and casing, one of them the axial runs through on the end cover and installs the feed liquor pipe, reverse osmosis tube and feed liquor pipe intercommunication, its characterized in that: be provided with on the end cover and be used for the retaining member with the end cover joint on the casing, the retaining member is used for driving a plurality of ball to support the driving piece of tightly on the end cover outer wall including setting up a plurality of ball on the casing outer wall, setting on the casing, a plurality of recess has all been seted up on the both ends outer wall of casing, the inner wall of recess intercommunication casing, the ball slides to inlay and establishes the inner chamber at the recess.

Through adopting above-mentioned technical scheme, when installing the end cover on the casing, insert the end cover and establish the inner chamber of casing, through the driving piece, make a plurality of ball roll towards the direction that is close to the end cover outer wall in the recess simultaneously, until the end cover is supported tightly by a plurality of ball, the end cover is fixed and is difficult to break away from in the casing this moment, whole installation does not connect through threaded connected mode, compare in threaded connected mode, the direct mode through the butt ball is with the tight mounting means of end cover clamp, it is more swift to install, it is more convenient to install.

Optionally, the driving piece includes the first annular plate of coaxial fixation on the casing outer wall, slides the butt joint pipe on the casing outer wall, sets up a plurality of spring between butt joint pipe and first annular plate, the one end butt that first annular plate was kept away from to the butt joint pipe is on the outer wall of ball, spring one end is fixed on first annular plate, and the other end is fixed on the butt joint pipe.

Through adopting above-mentioned technical scheme, when installing the end cover on the casing, will support the direction extrusion of takeover orientation near first annular plate in advance for the spring is compressed, fills in the inner chamber of casing with end cover one end, then loosens the takeover, under the effect of spring restoring force, makes the one end that the spring was kept away from to the takeover support the ball roll towards the direction that is close to the end cover outer wall in the recess, until the end cover is pressed from both sides tightly by a plurality of ball simultaneously.

Optionally, an inner edge of one end of the abutting pipe, which is far away from the first annular plate, is provided with an inner chamfer, and an inclined surface of the inner chamfer abuts against an outer wall of the ball.

Through adopting above-mentioned technical scheme, the in-process of fixed end cover, the inclined plane butt of interior chamfer is on the ball outer wall, and when the butt pipe moved towards the direction of keeping away from the spring, the butt pipe of being convenient for more rolls towards the direction that is close to the end cover outer wall in the recess towards the ball, has promoted the stability of end cover installation.

Optionally, a first annular groove is formed in the outer wall of one end, extending into the inner cavity of the shell, of the end cover, and the ball abuts against the inner wall of the first annular groove.

Through adopting above-mentioned technical scheme, the ball butt is in first annular for the end cover is difficult to break away from in the casing more, has promoted the stability of end cover installation.

Optionally, a second annular groove is formed in the outer wall of one end, extending into the shell, of the end cover, the second annular groove is located on one side, close to the reverse osmosis pipe, of the first annular groove, and a sealing ring is embedded in the inner cavity of the second annular groove.

Through adopting above-mentioned technical scheme, the leakproofness between end cover and the shells inner wall has been increased to the sealing washer for liquid is difficult to flow outside the casing in the casing.

Optionally, a plurality of annular protrusions are uniformly fixed on the outer wall of the abutting pipe at intervals.

Through adopting above-mentioned technical scheme, annular arch has increased the frictional force between staff's palm and the butt pipe, and the installation end cover in-process is convenient for the staff more and rotates the butt pipe.

Optionally, second annular plates are fixed on inner walls of two ends of the housing respectively, and one end of the end cover extending into the housing abuts against the second annular plates.

Through adopting above-mentioned technical scheme, when the end cover inserted the inner chamber of casing, the end cover butt was injectd the distance that the end cover stretched into on the lateral wall of second annular plate, and the staff of being convenient for more installs the end cover.

Optionally, a third annular groove is formed in one side, facing the end cover, of the second annular plate, the third annular groove is communicated with the inner wall of the second annular plate, and one end, extending into the shell, of the end cover abuts against the inner wall of the third annular groove.

Through adopting above-mentioned technical scheme, when inserting the end cover in the inner chamber of casing for the end cover butt is on the inner wall of third annular groove towards external one side, makes cascaded connection between second annular plate and the end cover, has strengthened the leakproofness between end cover and the casing.

The application comprises at least one of the following beneficial technical effects:

1. compared with a threaded connection mode, the installation mode of directly clamping the end cover in a ball abutting mode is more rapid and convenient;

2. by arranging the inner chamfer, the abutting pipe can abut against the ball to roll in the groove towards the direction close to the outer wall of the end cover; by arranging the first ring groove, the ball is abutted in the first ring groove, so that the end cover is more difficult to separate from the shell, and the mounting stability of the end cover is improved;

3. through setting up the sealing washer, increased the leakproofness between end cover and the shells inner wall for outside liquid is difficult to the outflow casing in the casing, through setting up annular arch, increased the frictional force between staff's palm and the butt pipe, the installation end cover in-process, the staff of being convenient for more rotates the butt pipe.

Drawings

Fig. 1 is a sectional view of the entire structure in the embodiment of the present application.

Fig. 2 is a schematic view showing the overall structure of the locker in the embodiment of the present application.

Description of reference numerals: 1. a housing; 2. a reverse osmosis tube; 3. a first drain pipe; 4. a second drain pipe; 5. an end cap; 6. a liquid inlet pipe; 7. a locking member; 8. a ball bearing; 9. a drive member; 10. a groove; 11. a first annular plate; 12. butting the tubes; 13. a spring; 14. inner chamfering; 15. a first ring groove; 16. a second ring groove; 17. a seal ring; 18. an annular projection; 19. a second annular plate; 20. a third ring groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a reverse osmosis membrane shell.

Referring to fig. 1, a reverse osmosis membrane casing comprises a casing 1, a reverse osmosis tube 2, a first liquid discharge tube 3, a second liquid discharge tube 4 and end covers 5, wherein the casing 1 is mainly used for reducing pressure of a reverse osmosis membrane, the casing 1 is a stainless steel metal circular casing 1, two ends of the casing 1 are uniformly communicated with the outside, the reverse osmosis tube 2 is arranged in an inner cavity of the casing 1, the axial direction of the reverse osmosis tube 2 is parallel to the axial direction of the casing 1, the first liquid discharge tube 3 and the second liquid discharge tube 4 are parallel to each other, the first liquid discharge tube 3 and the second liquid discharge tube 4 are both fixed on the outer wall of the casing 1, the first liquid discharge tube 3 is communicated with the inner cavity of the reverse osmosis tube 2, the second liquid discharge tube 4 is communicated with the inner cavity of the casing 1, the two end covers 5 are respectively arranged at two ends of the casing 1, the end covers 5 are inserted in the inner cavity of the casing 1, one end of the liquid inlet pipe 6 extending into the inner cavity of the shell 1 is communicated with the inner cavity of the reverse osmosis pipe 2.

Referring to fig. 2, the inner walls of the two ends of the housing 1 are respectively fixed with a second annular plate 19, the second annular plate 19 limits the end cover 5, a third annular groove 20 is formed in one side, facing the end cover 5, of the second annular plate 19, the third annular groove 20 is communicated with the inner wall of the second annular plate 19, the edge of the second annular plate 19 is step-shaped, and one end, extending into the housing 1, of the end cover 5 abuts against the inner wall of the third annular groove 20.

Referring to fig. 2, a second ring groove 16 is formed in the outer wall of one end, extending into the casing 1, of the end cover 5, a sealing ring 17 is embedded in the inner cavity of the second ring groove 16, and the sealing performance between the end cover 5 and the casing 1 is improved by the sealing ring 17.

Referring to fig. 2, be provided with retaining member 7 that is used for 5 joints of end cover on casing 1, retaining member 7 includes ball 8 and sets up and be used for driving a plurality of ball 8 on casing 1 and support driving piece 9 tight on the outer wall of end cover 5, a plurality of recess 10 has all been seted up on the both ends outer wall of casing 1, recess 10 communicates the inner wall of casing 1, ball 8 slides and inlays to be established in the inner chamber of recess 10, driving piece 9 includes first annular slab 11, butt pipe 12 and spring 13, first annular slab 11 is coaxial to be fixed on the outer wall of casing 1, butt pipe 12 is coaxial sliding connection on the outer wall of casing 1, spring 13 one end is fixed on the annular slab, the spring 13 other end is fixed on butt pipe 12, inner chamfer 14 has been seted up on the one end inward flange that the annular slab was kept away from to butt pipe 12, inner chamfer 14's inclined plane.

Referring to fig. 2, the outer wall of the abutting pipe 12 is uniformly fixed with a plurality of annular protrusions 18 at intervals, the annular protrusions 18 increase the friction force between the palm of an installer and the abutting pipe 12, the installer can pull the abutting pipe 12 more conveniently, when the end cover 5 is fixed on the shell 1, the abutting pipe 12 is extruded towards the direction close to the first annular plate 11, the spring 13 is compressed, one end of the end cover 5 is plugged into the inner cavity of the shell 1, the end cover 5 extends into the outer wall of one end of the shell 1 and is provided with a first annular groove 15, the abutting pipe 12 is loosened, under the action of the restoring force of the spring 13, the end, far away from the spring 13, of the abutting pipe 12 abuts against the ball 8 and is mixed in the groove 10 towards the direction close to the first annular groove 15, until the plurality of balls 8 are all abutted against the inner wall of the first annular groove 15, and at this time, the end.

The implementation principle of the reverse osmosis membrane shell in the embodiment of the application is as follows: when installing end cover 5 on casing 1, the direction that will support the pipe 12 orientation and be close to first annular plate 11 in advance supports the pressure, make spring 13 compressed, then fill in the inner chamber of casing 1 with the one end that first annular 15 was seted up to end cover 5, until end cover 5 butt on the inner wall of third annular 20, loosen this moment and support pipe 12, under the effect of spring 13 restoring force, ball 8 is supported tightly on the inner wall of first annular 15 by butt pipe 12, make end cover 5 be difficult to break away from casing 1, make liquid flow in reverse osmosis pipe 2 in through feed liquor pipe 6, filter through reverse osmosis pipe 2, finally carry out the flowing back through first fluid-discharge pipe 3 and second fluid-discharge pipe 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a reverse osmosis membrane shell, includes casing (1), installs reverse osmosis tube (2) in casing (1), fixes first fluid-discharge tube (3) and second fluid-discharge tube (4) on casing (1) outer wall, installs end cover (5) on casing (1) both ends, first fluid-discharge tube (3) and reverse osmosis tube (2) intercommunication, second fluid-discharge tube (4) and the inner chamber intercommunication of casing (1), one of them axial through installation has feed liquor pipe (6) on end cover (5), reverse osmosis tube (2) and feed liquor pipe (6) intercommunication, its characterized in that: be provided with on end cover (5) and be used for with retaining member (7) of end cover (5) joint on casing (1), retaining member (7) are used for driving a plurality of ball (8) to support driving piece (9) tightly on end cover (5) outer wall including setting up a plurality of ball (8) on casing (1) outer wall, setting up on casing (1), a plurality of recess (10) have all been seted up on the both ends outer wall of casing (1), the inner wall of recess (10) intercommunication casing (1), ball (8) slide to inlay and establish in the inner chamber of recess (10).

2. A reverse osmosis membrane housing according to claim 1, wherein: the driving piece (9) comprises a first annular plate (11) coaxially fixed on the outer wall of the shell (1), a butting pipe (12) sliding on the outer wall of the shell (1), and a plurality of springs (13) arranged between the butting pipe (12) and the first annular plate (11), wherein one end of the butting pipe (12) far away from the first annular plate (11) is butted against the outer wall of the ball (8), one end of each spring (13) is fixed on the first annular plate (11), and the other end of each spring is fixed on the butting pipe (12).

3. A reverse osmosis membrane housing according to claim 2, wherein: an inner chamfer (14) is formed in the inner edge of one end, far away from the first annular plate (11), of the abutting pipe (12), and the inclined surface of the inner chamfer (14) abuts against the outer wall of the ball (8).

4. A reverse osmosis membrane housing according to claim 2, wherein: the end cover (5) stretches into and has seted up first annular (15) on the one end outer wall of casing (1) inner chamber, ball (8) butt is on the inner wall of first annular (15).

5. A reverse osmosis membrane housing according to claim 4, wherein: end cover (5) stretch into and have seted up second annular (16) on the one end outer wall in casing (1), second annular (16) are located one side that first annular (15) are close to reverse osmosis tube (2), the embedded sealing washer (17) that are equipped with of inner chamber of second annular (16).

6. A reverse osmosis membrane housing according to claim 2, wherein: a plurality of annular bulges (18) are uniformly fixed on the outer wall of the abutting pipe (12) at intervals.

7. A reverse osmosis membrane housing according to claim 1, wherein: second annular plates (19) are fixed on the inner walls of the two ends of the shell (1) respectively, and one end, extending into the shell (1), of the end cover (5) abuts against the second annular plates (19).

8. A reverse osmosis membrane housing according to claim 7, wherein: third annular (20) have been seted up towards one side of end cover (5) in second annular plate (19), the inner wall of third annular (20) intercommunication second annular plate (19), one end butt in shell (1) is stretched into in end cover (5) is on the inner wall of third annular (20).